92hd98 Integrated Device Technology, 92hd98 Datasheet - Page 259

• Manufacturer Part Number: 92hd98
• Description: Datasheet
• Manufacturer: Integrated Device Technology

92HD98
SINGLE CHIP PC AUDIO SYSTEM, CODEC+MONO SPEAKER AMPLIFIER+CAPLESS HP+LDO
IDT CONFIDENTIAL
©2009 INTEGRATED DEVICE TECHNOLOGY, INC.
verb F90/790
verb F91/791
verb F92/792
Register Address
Register Address
Register Address
7.29.1.16. GAINCTRL_HI Register
7.29.1.17. GAINCTRL_LO Register
7.29.1.18. MUTE Register
7:5
4:3
2:0
7
6
5
4
3
2
1
0
7:3
2
1
0
Bit
Bit
Bit
zerodetlen
step_time
Reserved
clr_latch
RSVD
step_10ms
stepped_change
disable_gain
auto_mute
change_mode
mute_mode
Reserved
Mute
mute1
mute0
Label
Label
Label
RW
RO
RW
RW
RO
RW
RW
RW
RW
RW
RW
RO
RW
RW
RW
Type Default
Type
Type Default
0
0x2
0x5
0
0
0
0
0
1
0
1
0x0
0
0
0
Default
259
RESERVED
enable mute if input consecutive zeros exceeds this length:
00 = 32
01 = 1000
10 = 2000
11 = 4000
step time units = 1<<step_time, units in GAINCTRL_LO bit 5
RESERVED
1 = mute all channels
1 = mute ch1
1 = mute ch0
1 = auto mute if detect long strings of zeros on input
1 = clear limit 0/1 latches, see STATUS register
Reserved
1 = units for step_time are 10ms
0 = units for step_time are 1ms
1 = step volume progressively to new setting
1 = disable all gain functions (bypass gain multiply)
1 = change gain immediately
0 = change on zero cross
1 = hard mute after reset, 0 = soft mute
Description
Description
Description
V 0.91 10/10
92HD98